Example #1
0
 public Compressor(string sourcePath, int chunkSize, string targetPath)
 {
     this.sourcePath              = sourcePath;
     this.targetPath              = targetPath;
     this.compressedChunks        = new LimitedConcurrentQueue <CompressedChunk>(Math.Max((int)Math.Min(MemoryLimiter.AllowedMemoryBytes / chunkSize, int.MaxValue), 1));
     this.sourceChunks            = new ConcurrentQueue <ChunkDescriptor>(FilePartitioner.CalculateChunks(sourcePath, chunkSize));
     this.uncompressedChunksCount = sourceChunks.Count;
 }
Example #2
0
        static int Main(string[] args)
        {
            if (args.Length != 3)
            {
                Console.WriteLine("Invalid argument count.");
                Console.WriteLine(Usage);
                return(1);
            }
            var inputFilePath = args[1];

            if (!File.Exists(inputFilePath))
            {
                Console.WriteLine("Input file does not exist.");
                return(1);
            }

            var outFilePath = args[2];

            try
            {
                Path.GetFileName(outFilePath);
            }
            catch
            {
                Console.WriteLine("Invalid output file name.");
                return(1);
            }

            if (File.Exists(outFilePath))
            {
                Console.WriteLine("Output file already exists. Specify a new file name.");
                return(1);
            }

            switch (args[0])
            {
            case "compress":
                var compressor = new Compressor(inputFilePath, FilePartitioner.GetRecommendedChunkSize(inputFilePath), outFilePath);
                try
                {
                    compressor.Compress();
                }
                catch (Exception e)
                {
                    Debug.WriteLine(e);
                    Console.WriteLine($"Unexpected error occured: {e.Message}.");
                    return(1);
                }
                break;

            case "decompress":
                var decompressor = new Decompressor(inputFilePath, outFilePath);
                try
                {
                    decompressor.Decompress();
                }
                catch (Exception e)
                {
                    Debug.WriteLine(e);
                    Console.WriteLine($"Unexpected error occured: {e.Message}.");
                    return(1);
                }

                break;

            default:
                Console.WriteLine("Cannot parse arguments.");
                Console.WriteLine(Usage);
                return(1);
            }

            return(0);
        }